What is (unknown error 56) iPhone 6I am getting unknown error 56 on an iPhone 6. I have used three different computers. I changed out the screen on this phone b...
Answer to "Phone will sound and show volume in phone mode only!"I would hold down the volume key and the power button and start with a soft reset. Then if that doesn't work restore the phone to its out of the box state, do not restore to backup. If that doesn't work please take back to the nearest Apple store they will be more than happy to assist you but they will ask you have you done those two things first.